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Why My Computer Doesn’t See External Hard Drive Windows 7

Martin Ross ~ Modified: October 4th, 2016 ~ ~ 1 Minute Reading

Home Forums Why My Computer Doesn’t See External Hard Drive Windows 7

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  • #3583 Score: 0
    Martin Ross
    Moderator

    Hello,

    I have upgraded my computer from windows vista to windows 7 home premium last week. Everything is working fine but now my upgraded computer is not showing the external hard drive. When I plug in the external hard drive then system notices it but not showing on my computer. I updated all drivers and all are working fine. The window is not showing any update or error. I have saved some important data on my hard drive. Someone, please help me resolve this error.

    #3585 Score: 0
    David Taylor
    Moderator

    You are facing a system problem in which your computer doesn’t see external drive. And you have installed windows 7 on your system. Perform the steps given below to solve this error.
    1. Plug in the external USB hard drive.
    2. Right on My Computer.
    3. Left click on Manage option.
    4. Left click on Device Manager.
    5. Expand the USB list by right clicking on it.
    6. Find the USB device for your USB Hard Drive (in my case it was the one that had no description)
    7. Right click on Uninstall.
    8. Unplug the external USB hard drive.
    9. Now Connect the external USB hard drive and let it find and install the driver
    10. Now access data from it.

    #3589 Score: 0
    Henry Tikalo
    Moderator

    Sometime the computer doesn’t see the external usb hard drive because of bad usb port. Remove the unnecessary device from working usb port and plug-in the hard drive in it. If the problems remains same then perform the following steps.

    1. Go to Start
    2. Select My Computer
    3. Find Organize.
    4. Select Folder and search options.
    5. Now click on View tab.
    6. Uncheck “Hide empty drives in the Computer folder”.
    7. At the end click on OK.

    #3591 Score: 0
    Martin Ross
    Moderator

    I did as you suggested and performed the complete operation but still my computer doesn’t see the external hard drive. How to fix this issue?

    #3593 Score: 0
    Henry Tikalo
    Moderator

    Reset the upper filter and lower filter value for external usb drive. Perform the steps given below to fix the issue.

    1. Go to start, press windows key + r and type regedit and press enter.
    2. Find the following registry key.
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{36FC9E60-C465-11CF-8056-444553540000}
    3. Right click on the {36FC9E60-C465-11CF-8056-444553540000} and right click on it.
    4. Choose Export option and select desktop, and click on save.
    5. Now select the value {36FC9E60-C465-11CF-8056-444553540000} and check upperfilter and lowerfilter value. If these values are present then delete it
    6. Restart the computer and your problem will be resolved.

    #3594 Score: 0
    David Taylor
    Moderator

    If your system is not able to assign drive letter then also this situation arises. So simply check the drive letter if the system is not able to assign the drive letter. Then assign the drive letter and your problem will be solved.

    #3597 Score: 0
    Martin Ross
    Moderator

    I don’t know to how to assign external drive letter, will you please help me to assign the drive letter.

    #3603 Score: 0
    David Taylor
    Moderator

    Follow the steps.

    1. Connect the flash drive to your computer system.
    2. Right click on My Computer or This PC (windows 10), and hit on the Manage from the drop down list.
    3. Now click on Disk Management.
    4. Right click on your flash drive and hit on Change Drive Letter and Path.
    5. Hit on the drive and its colour change to blue, simply click on Change.
    6. Select the Flash drive letter from the drop-down list and click on OK.

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